STCC2540 Datasheet, PDF (5/32 Pages) STMicroelectronics – USB charging controller with integrated power switch

STCC2540
2
Pin description
Pin description
Table 1. Pin description
Pin no.
Name
Type
Description
1
2, 3
4
5
6, 7, 8
9
10, 11
12
13
14
15
16
IN
PWR Device and USB port power supply input
DM_OUT, DP_OUT I/O USB 2.0 data connection to system USB transmitter (DM = D-, DP = D+)
NC
- Not connected
EN
I
Logic level control input. When EN is low, power switch, data switch and
emulator are OFF.
CTL1, CTL2, CTL3 I Logic level control inputs to select charger mode (see Table 5).
CHARGING
O Active low open drain output, asserted when charging current is detected.
DP_IN, DM_IN
I/O USB 2.0 data connection to system USB connector (DM = D-, DP = D+)
OUT
FAULT
PWR USB port power supply output (V_BUS)
O
Active low open drain output, asserted when overcurrent, overtemperature
or reverse voltage are detected.
GND
- Ground
NC
- Not connected
I_LIM
I Current limit threshold programming resistor terminal.
DocID024711 Rev 6
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